//md5 算法
function md5(string) {
  var x = Array();
  var k, AA, BB, CC, DD, a, b, c, d;
  var S11 = 7, S12 = 12, S13 = 17, S14 = 22;
  var S21 = 5, S22 = 9, S23 = 14, S24 = 20;
  var S31 = 4, S32 = 11, S33 = 16, S34 = 23;
  var S41 = 6, S42 = 10, S43 = 15, S44 = 21;
  string = Utf8Encode(string);
  x = ConvertToWordArray(string);
  a = 0x67452301;
  b = 0xEFCDAB89;
  c = 0x98BADCFE;
  d = 0x10325476;
  for (k = 0; k < x.length; k += 16) {
    AA = a;
    BB = b;
    CC = c;
    DD = d;
    a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
    d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
    c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
    b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
    a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
    d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
    c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
    b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
    a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
    d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
    c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
    b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
    a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
    d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
    c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
    b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
    a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
    d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
    c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
    b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
    a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
    d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
    c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
    b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
    a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
    d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
    c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
    b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
    a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
    d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
    c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
    b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
    a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
    d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
    c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
    b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
    a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
    d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
    c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
    b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
    a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
    d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
    c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
    b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
    a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
    d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
    c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
    b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
    a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
    d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
    c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
    b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
    a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
    d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
    c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
    b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
    a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
    d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
    c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
    b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
    a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
    d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
    c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
    b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
    a = AddUnsigned(a, AA);
    b = AddUnsigned(b, BB);
    c = AddUnsigned(c, CC);
    d = AddUnsigned(d, DD);
  }
  var temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
  return temp.toUpperCase();
}
function RotateLeft(lValue, iShiftBits) {
  return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
}
function AddUnsigned(lX, lY) {
  var lX4, lY4, lX8, lY8, lResult;
  lX8 = (lX & 0x80000000);
  lY8 = (lY & 0x80000000);
  lX4 = (lX & 0x40000000);
  lY4 = (lY & 0x40000000);
  lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
  if (lX4 & lY4) {
    return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
  }
  if (lX4 | lY4) {
    if (lResult & 0x40000000) {
      return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
    } else {
      return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
    }
  } else {
    return (lResult ^ lX8 ^ lY8);
  }
}
function F(x, y, z) {
  return (x & y) | ((~x) & z);
}
function G(x, y, z) {
  return (x & z) | (y & (~z));
}
function H(x, y, z) {
  return (x ^ y ^ z);
}
function I(x, y, z) {
  return (y ^ (x | (~z)));
}
function FF(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function GG(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function HH(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function II(a, b, c, d, x, s, ac) {
  a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
  return AddUnsigned(RotateLeft(a, s), b);
}
function ConvertToWordArray(string) {
  var lWordCount;
  var lMessageLength = string.length;
  var lNumberOfWords_temp1 = lMessageLength + 8;
  var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
  var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
  var lWordArray = Array(lNumberOfWords - 1);
  var lBytePosition = 0;
  var lByteCount = 0;
  while (lByteCount < lMessageLength) {
    lWordCount = (lByteCount - (lByteCount % 4)) / 4;
    lBytePosition = (lByteCount % 4) * 8;
    lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition));
    lByteCount++;
  }
  lWordCount = (lByteCount - (lByteCount % 4)) / 4;
  lBytePosition = (lByteCount % 4) * 8;
  lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
  lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
  lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
  return lWordArray;
}
function WordToHex(lValue) {
  var WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
  for (lCount = 0; lCount <= 3; lCount++) {
    lByte = (lValue >>> (lCount * 8)) & 255;
    WordToHexValue_temp = "0" + lByte.toString(16);
    WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
  }
  return WordToHexValue;
}
function Utf8Encode(string) {
  var utftext = "";
  for (var n = 0; n < string.length; n++) {
    var c = string.charCodeAt(n);
    if (c < 128) {
      utftext += String.fromCharCode(c);
    } else if ((c > 127) && (c < 2048)) {
      utftext += String.fromCharCode((c >> 6) | 192);
      utftext += String.fromCharCode((c & 63) | 128);
    } else {
      utftext += String.fromCharCode((c >> 12) | 224);
      utftext += String.fromCharCode(((c >> 6) & 63) | 128);
      utftext += String.fromCharCode((c & 63) | 128);
    }
  }
  return utftext;
}


const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : '0' + n
}

// longToTime
const longToTime = long => {
  const s0 = Math.floor(long / 1000);
  var m = Math.floor(s0 / 60);
  var s = Math.floor(s0 - m * 60);
  var time = [m, s];
  for (let i = 0; i < time.length; i++) {
    if (time[i] > 9) {
      time[i] = time[i] + "";
    } else if (time[i] <= 9 && time[i] > 0) {
      time[i] = "0" + time[i];
    } else {
      time[i] = "00";
    }
  }

  return time[0] + ":" + time[1];


}
//change button-type
function resetType(list, id, pId) {
  //pId != null
  if (pId > -1) {
    for (var i = 0; i < list[pId].majorSub.length; i++) {
      if (id == i) {
        list[pId].majorSub[i].type = "warn";
      } else {
        list[pId].majorSub[i].type = "default";
      }
    }
  } else {
    //pId ==null
    for (var i = 0; i < list.length; i++) {
      if (id == i) {
        list[i].type = "warn";
      }
      else {
        list[i].type = "default";
      }
    }
  }
}
//reset
function reset(that) {
  var data = that.data;
  var lists = [data.majorList, data.customList, data.priceList];
  var majorSup = data.majorSup;
  for (let i = 0; i < majorSup.length; i++) {
    for (let j = 0; j < majorSup[i].majorSub.length; j++) {
      if (j == 0) {
        majorSup[i].majorSub[j].type = "warn";
      } else {
        majorSup[i].majorSub[j].type = "default";
      }
    }
  }
  for (let i = 0; i < lists.length; i++) {
    for (let j = 0; j < lists[i].length; j++) {
      if (j == 0) {
        lists[i][j].type = "warn";
      } else {
        lists[i][j].type = "default";
      }

    }
  }
  that.setData({
    majorSup: majorSup,
    majorList: lists[0],
    customList: lists[1],
    priceList: lists[2]
  });

}

//https request from  
function reqMedia(params, success) {
  var Param = JSON.stringify(params.Param);
  var data = {
    MsgID: new Date().getTime() + "" + Math.floor(Math.random() * 100),
    SourceCode: "201",
    APPType: 0,
    AppVersion: "1.0.0",
    Action: params.Action,
    Param: Param,
    Sign: "",
    Timestamp: new Date().getTime()
  };
  generateSign(data, params.Param);
  wx.request({
    url: getApp().globalData.basePath.appPath+'/public/default',
    data: data,
    method: "POST",
    header: {
      'content-type': 'application/x-www-form-urlencoded'
    },
    success: function (res) {
      success(JSON.parse(res.data.Value));
    },
    fail: function (res) {
      if (res.statusCode != 200) {
        wx.showToast({
          title: '网络延时',
        });
      } else {
        wx.showToast({
          title: '服务器繁忙',
        })
      }
    }
  });
}




//generate sign  
function generateSign(data, jsonParam) {
 
  const hash = (md5(jsonParam)).toLowerCase();
  const s0 = hash + data.Action + data.AppVersion + data.SourceCode + data.Timestamp;
  const s1 = s0.substr(23, s0.length - 1);
  const s2 = s0.substr(0, 23);
  data.Sign = (md5(s1 + s2)).toLowerCase();

}

// switch accordion
function switchAccordion(et, that) {

  var id = et.target.dataset.id;
  var plabel = et.target.dataset.plabel;
  var majorSup = that.data.majorSup;
  var all = that.data.all;
  all.type = "default";
  reset(that);

  for (let i = 0; i < majorSup.length; i++) {
    if (parseInt(id) == i) {
      if (!majorSup[i].show) {
        majorSup[i].show = true;
        majorSup[i].iconChecked = "iconChecked";
      } else {
        majorSup[i].show = false;
        majorSup[i].iconChecked = "icon";
      }
    } else {
      majorSup[i].show = false;
      majorSup[i].iconChecked = "icon";
    }
  }
  that.setData({
    majorSup: majorSup,
    all: all,
    plabel: plabel
  });
};
//updateSlider
function updateSlider(that, player) {
  var duration = player.duration;
  var currentTime = player.currentTime;
  var value = Math.floor(currentTime / duration * 100);
  var endTime = longToTime(duration * 1000);
  currentTime = longToTime(currentTime * 1000);
  that.setData({
    value: value,
    endTime: endTime,
    currentTime: currentTime
  });
}
// loadVerifyCode
function loadVerifyCode(that) {
  var params = that.data.params;
  reqMedia(params, function (value) {
    that.setData({
      ImageUri: getApp().globalData.basePath.appPath + value.ImageUri,
      GUID: value.GUID
    });
  });
}

// translate from nums to strs on subjectItem
function nToS(num) {
  var nums = num.split(',');
 
  for (let i = 0; i < nums.length; i++) {
    var subjectItem = nums[i];
    switch (subjectItem) {
      case "1":
        nums[i] ="舞蹈";
        break;
      case "2":
        nums[i] = "表演";
        break;
      case "3":
        nums[i] = "书法";
        break;
      case "4":
        nums[i] = "空乘";
        break;
      case "5":
        nums[i] = "美术";
        break;
      case "6":
        nums[i] = "音乐";
      case "7":
        nums[i] = "播音";
        break;
      case "8":
        nums[i] = "编导";
        break;

    }


  }
  return nums;
}
function sToN(typeName){
    var subject = 0;
    switch(typeName){
      case "舞蹈":
      subject = 1;
      break;
      case "表演":
      subject = 2;
      break;
      case "书法":
      subject = 3;
      break;
      case "空乘":
      subject = 4;
      break;
      case "美术":
      subject = 5;
      break;
      case "音乐":
      subject = 6;
      break;
      case "播音":
      subject = 7;
      break;
      case "编导":
      subject = 8;
      break;
    }
    return subject;
}

function login (detail,page){
  wx.showLoading({
    title: '正在登录',
  });
  var userInfo = detail.userInfo;
  getApp().globalData.userInfo = userInfo;
  var code = getApp().globalData.code;
  var encryptedData = detail.encryptedData;
  var iv = detail.iv;
  var basePath = getApp().globalData.basePath.miniAppPath;
  var userData = {
    code: code,
    encryptedData: encryptedData,
    iv: iv
  };
  wx.request({
    url: basePath + '/wxMa/0',
    data: userData,
    method: "POST",
    header: {
      'content-type': 'application/x-www-form-urlencoded'
    },
    success: function (res) {
      getApp().globalData.sessionId = res.data.sessionId;
      if (res.data.code == "22") {
        getApp().globalData.userId = res.data.userId;
        var user = {
          Name: userInfo.nickName,
          HeadImagePath: userInfo.avatarUrl,
          Sex: userInfo.gender
        }
        page.setData({
          user: user,
          isLogin: true
        });
        wx.hideLoading();

      }
      if (res.data.code == "21") {
        wx.hideLoading();
        // ask
        wx.showModal({
          title: '初次登陆绑定提醒',
          content: '是否绑定已有学艺宝账户',
          success: function (res) {
            if (res.confirm) {
              wx.navigateTo({
                url: '/pages/center/bind/bind',
              });
            } else if (res.cancel) {
              var sessionId = getApp().globalData.sessionId;
              wx.request({
                url: basePath + '/wxMa/2',
                header: {
                  'content-type': 'application/x-www-form-urlencoded',
                  'Cookie': "JSESSIONID=" + sessionId
                },
                success: function (res) {

                  if (res.data.code == "10") {
                    wx.showToast({
                      title: '授权失败',
                    });
                  } else {
                    getApp().globalData.userId = res.data.userId;
                    // success to init
                    var user = {
                      Name: userInfo.nickName,
                      HeadImagePath: userInfo.avatarUrl,
                      Sex: userInfo.gender
                    }
                    page.setData({
                      user: user,
                      isLogin: true
                    });
                    wx.hideLoading();
                  }
                }
              });
            }
          }
        });
      } else if (res.data.code == "20") {
        wx.hideLoading();
        wx.showToast({
          title: '网络异常',
        });
      }
    }
  });
}

module.exports = {
  login:login,
  sToN: sToN,
  nToS: nToS,
  reset: reset,
  switchAccordion: switchAccordion,
  resetType: resetType,
  reqMedia: reqMedia,
  longToTime: longToTime,
  updateSlider: updateSlider,
  loadVerifyCode: loadVerifyCode
}
